<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>PHP Learning</title>
    <style>
        body {
            padding: 20px;
            font-weight: 200;
        }

        h1,
        h2,
        h3,
        h4 {
            font-weight: 500;
            text-align: center;
        }

        blockquote {
            margin: 0;
            margin-top: 30px;
            background: #eee;
            padding: 10px;
            border-radius: 4px;
            font-weight: 500;
            color: cadetblue;
        }

        ul,
        ol {
            margin: 30px 0;
            padding: 10px 30px;
            background: #f3fafa;
        }

        li {
            margin: 10px;
            font-size: 20px;
            font-style: italic;
        }
    </style>
</head>

<body>
    <?php
    require_once 'common.php';
    ?>